﻿//using UnityEngine;
//using UnityEditor;

//public class TestSaveSprite
//{
//    [MenuItem("Tools/导出精灵")]
//    static void SaveSprite()
//    {
//        string resourcesPath = "Assets/Resources/";
//        foreach (Object obj in Selection.objects)
//        {
//            string selectionPath = AssetDatabase.GetAssetPath(obj);

//            // 必须最上级是"Assets/Resources/"
//            if (selectionPath.StartsWith(resourcesPath))
//            {
//                string selectionExt = System.IO.Path.GetExtension(selectionPath);
//                if (selectionExt.Length == 0)
//                {
//                    continue;
//                }

//                // 从路径"Assets/Resources/UI/testUI.png"得到路径"UI/testUI"
//                string loadPath = selectionPath.Remove(selectionPath.Length - selectionExt.Length);
//                loadPath = loadPath.Substring(resourcesPath.Length);

//                // 加载此文件下的所有资源
//                Sprite[] sprites = Resources.LoadAll<Sprite>(loadPath);
//                if (sprites.Length > 0)
//                {
//                    // 创建导出文件夹
//                    string outPath = Application.dataPath + "/outSprite/" + loadPath;
//                    System.IO.Directory.CreateDirectory(outPath);

//                    foreach (Sprite sprite in sprites)
//                    {
//                        // 创建单独的纹理
//                        Texture2D tex = new Texture2D((int)sprite.rect.width, (int)sprite.rect.height, sprite.texture.format, false);
//                        tex.SetPixels(sprite.texture.GetPixels((int)sprite.rect.xMin, (int)sprite.rect.yMin,
//                        (int)sprite.rect.width, (int)sprite.rect.height));
//                        tex.Apply();

//                        // 写入成PNG文件
//                        System.IO.File.WriteAllBytes(outPath + "/" + sprite.name + ".png", tex.EncodeToPNG());
//                    }
//                    Debug.Log("SaveSprite to " + outPath);
//                }
//            }
//        }
//        Debug.Log("SaveSprite Finished");
//    }
//}